CVE-2019-16240 : What You Need to Know

HP OfficeJet Pro Printers and HP PageWide Printers Vulnerability

Understanding CVE-2019-16240

What is CVE-2019-16240?

A Buffer Overflow and Information Disclosure vulnerability affect HP OfficeJet Pro Printers and HP PageWide Printers, potentially triggering printer assertion and core dump.

The Impact of CVE-2019-16240

The vulnerability allows maliciously crafted print files to exploit certain HP Inkjet printers, leading to a core dump on local devices.

Technical Details of CVE-2019-16240

Vulnerability Description

The vulnerability involves Buffer Overflow and Information Disclosure in HP OfficeJet Pro Printers and HP PageWide Printers.

Affected Systems and Versions

HP OfficeJet Pro Printers before 001.1937C
HP PageWide Managed Printers and HP PageWide Pro Printers before 001.1937D

Exploitation Mechanism

If a print file is created with malicious intent, it could trigger an assertion in specific HP Inkjet printers, resulting in a core dump to a local device.

Mitigation and Prevention

Immediate Steps to Take

Update HP OfficeJet Pro Printers to version 001.1937C or later
Update HP PageWide Managed Printers and HP PageWide Pro Printers to version 001.1937D or later

Long-Term Security Practices

Regularly update printer firmware
Implement network segmentation to isolate printers

Patching and Updates

Apply patches provided by HP to address the vulnerability.